Flanged Horn - Siemens SITRANS LR250 Operating Instructions Manual

Flanged Horn

Notes:
• Process temperature and pressure capabilities are dependent upon information on
the process device tag. Reference drawing listed on the Tag is available on the
product page of our website at www.siemens.com/LR250, under More Info /
Installation drawings. Additional information on process connections is available
on the Installation Drawings page under Process Connection Diagrams.
• Signal amplitude increases with horn diameter, so use the largest practical size.
• Optional extensions can be installed between the flange and the antenna.
50 mm
(2.0")
154 mm
(6.1")
227 mm
(8.94")
horn
50 mm (2")
nom.
80 mm (3")
nom.
100 mm (4")
nom.
horn
O.D.
7ML19985KL01
1/2" NPT cable entry
(or alternatively, M20 cable gland)
threaded cover
enclosure/electronics
flange
135.5 mm
(5.33")
168.5 mm
(6.63")
223.5mm
(8.8")
SITRANS LR250 (FF) – OPERATING INSTRUCTIONS
name-plate
retaining collar
sensor
reference
point
optional
100 mm (4.0 ")
horn extension
167 mm
(6.6")
90 mm
(3.5")
190 mm
(7.48")
process
device
tag
Page 13